English verb conjugation
MUST REGATHER

Regular verb: regather - regathered - regathered

Affirmation

Simple form	V-ing form
I must regather you must regather she must regather we must regather you must regather they must regather	I must be regathering you must be regathering she must be regathering we must be regathering you must be regathering they must be regathering
Perfect	V-ing perfect
I must have regathered you must have regathered she must have regathered we must have regathered you must have regathered they must have regathered	I must have been regathering you must have been regathering she must have been regathering we must have been regathering you must have been regathering they must have been regathering

Negation

Simple form	V-ing form
I mustn't regather you mustn't regather she mustn't regather we mustn't regather you mustn't regather they mustn't regather	I mustn't be regathering you mustn't be regathering she mustn't be regathering we mustn't be regathering you mustn't be regathering they mustn't be regathering
Perfect	V-ing perfect
I mustn't have regathered you mustn't have regathered she mustn't have regathered we mustn't have regathered you mustn't have regathered they mustn't have regathered	I mustn't have been regathering you mustn't have been regathering she mustn't have been regathering we mustn't have been regathering you mustn't have been regathering they mustn't have been regathering

Interrogative form

Simple form	V-ing form
must I regather? must you regather? must she regather? must we regather? must you regather? must they regather?	must I be regathering? must you be regathering? must she be regathering? must we be regathering? must you be regathering? must they be regathering?
Perfect	V-ing perfect
must I have regathered? must you have regathered? must she have regathered? must we have regathered? must you have regathered? must they have regathered?	must I have been regathering? must you have been regathering? must she have been regathering? must we have been regathering? must you have been regathering? must they have been regathering?

Interro-negative form

Simple form	V-ing form
mustn't I regather? mustn't you regather? mustn't she regather? mustn't we regather? mustn't you regather? mustn't they regather?	mustn't I be regathering? mustn't you be regathering? mustn't she be regathering? mustn't we be regathering? mustn't you be regathering? mustn't they be regathering?
Perfect	V-ing perfect
mustn't I have regathered? mustn't you have regathered? mustn't she have regathered? mustn't we have regathered? mustn't you have regathered? mustn't they have regathered?	mustn't I have been regathering? mustn't you have been regathering? mustn't she have been regathering? mustn't we have been regathering? mustn't you have been regathering? mustn't they have been regathering?